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09-02-2013, 08:13 PM
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#15
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Senior Member
Freightliner Owners Club
Join Date: Apr 2002
Location: Pensacola
Posts: 2,728
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Quote:
Originally Posted by John Pacello
I have a stock Rancor ECO 1148800003 air intake filter
John
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John, The filter I just installed from Freightliner is a RACOR-- FARR ECO 114880-003, my understanding is that Farr makes these filters and they are re-branded by Wix, Baldwin, Fleetguard, Racor etc.
Diesel engines suck a lot of air and are very susceptible to ingesting dust with disastrous results.
K&N has apparently come out with a new filter for diesel use. I don't know how it compares in efficiency to the paper filters.
Here is a test and evaluation of several filters, K&N did not fare well.
Aftermarket Air Intakes/Filters - Do They Work? - Diesel Place : Chevrolet and GMC Diesel Truck Forums
__________________
Hooligan, Pensacola, Fl -U.S. Coast Guard 1956-1985
2016 Thor Siesta Sprinter 24ST diesel -1972 Moto Guzzi
2008 Suzuki Grand Vitara TOAD
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09-02-2013, 08:31 PM
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#16
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Registered User
Fleetwood Owners Club Freightliner Owners Club
Join Date: May 2011
Location: Silicon Valley, CA
Posts: 1,857
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Simple answer
A lot of people will tell you not to do it.
I agree with them.
Same reason. Dust in the intake after just a few months of usage.
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09-02-2013, 09:42 PM
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#17
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Senior Member
Fleetwood Owners Club
Join Date: Aug 2013
Location: Casper, Wyoming
Posts: 246
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K&N filters are JUNK! They flow more air and much more dirt than a good filter. On an engine with a MAF sensor, the oil from the filter will cause problems.
__________________
2013 Newmar Essex 4544
69' Camaro in tow
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09-02-2013, 10:30 PM
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#18
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Senior Member
Join Date: Apr 2012
Posts: 1,414
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After working 30 years as certified auto tech, I have replaced more mas air flow sensors due to dirt contamination with k&n filters tan just for wearing out. Please, please do not use these filters. I had asked a k&n rep about dirt intrusion while using his product and he could not give me an answer!!
__________________
Dave and Laura & two cats
02 Discovery with Accord toad
retired auto rv tech and teacher, wife rt nurse
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09-04-2013, 03:34 PM
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#19
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Member
Gulf Streamers Club Freightliner Owners Club
Join Date: Jul 2011
Location: Everson, WA.
Posts: 75
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Thanks everyone, looks to me K&N is out.
I will buy a new filter each time, I am able to change it in less than an hour now.
It would probably take an hour to clean a K&N and you still have to take it out and take it apart.
There is an extensive cross-reference for a 114880003 I wonder where is the best place to buy.
All the best, will be in Centralia next week to install a MP-8, soon to be 400+ HP
__________________
2003 Gulfstream Friendship 41 Ft. Quattro 4-slides. Serial: 58-4557, Model 8408 FS, Freightliner with
MP-8 425+HP Cat.
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09-04-2013, 04:32 PM
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#20
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Senior Member
National RV Owners Club
Join Date: Feb 2012
Location: Spokane Valley, Wa
Posts: 1,987
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Some have said "more air flow equals more dirt", not totally true.
Increasing the filter size and if the intake to the filter will support the increase
in air flow will increase air flow.
A some what new filter out is the Nano-fiber filter but currently none for our motors.
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Art
1999 Trade Winds 7371 Cat 3126B w/current upgrades
1990 D 250 Dodge Ram Cummins Turbo
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09-04-2013, 04:43 PM
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#21
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Senior Member
Join Date: Aug 2012
Posts: 852
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I believe the folks who built the engine know what's best for it. I use the stock filters
__________________
1998 Newmar Dutch Star, 3126B Cat/ Freightliner
2003 Honda Element
" Don't let the same dog bite you twice "
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09-04-2013, 04:46 PM
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#22
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Senior Member
Join Date: Mar 2011
Location: Headed to the next race track.
Posts: 187
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If more dirty becomes more efficient, does that mean if I put a plastic bag over my air cleaner it becomes 100% efficient?
Actually yes with regard to dirt ingestion, not so good for airflow.
I never like that comparison. It's only more "efficient" in the size of particles it will allow by by having smaller and smaller places to pass by the already there dirt and by extension less area for air as well making it less flow efficient.
Good quantity air filter and changing regularly is best money spent.
__________________
2006 Monaco 40' PDQ
25' Haulmark V-nose enclosed car trailer.
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09-04-2013, 04:57 PM
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#23
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Senior Member
National RV Owners Club
Join Date: Feb 2012
Location: Spokane Valley, Wa
Posts: 1,987
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Quote:
Originally Posted by datrbone8
I believe the folks who built the engine know what's best for it. I use the stock filters
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In most cases the engine builder has little or no control over what filter
or it's install by our MH builders who use the smallest they can to fit in the
space allowed and the cheapest.
__________________
Art
1999 Trade Winds 7371 Cat 3126B w/current upgrades
1990 D 250 Dodge Ram Cummins Turbo
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09-04-2013, 05:18 PM
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#24
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Quote:
Originally Posted by wb7auk
In most cases the engine builder has little or no control over what filter
or it's install by our MH builders who use the smallest they can to fit in the
space allowed and the cheapest.
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But the engine manufacturers do specify an air flow requirement for the unit and the chassis manufacturer goes by that.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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